Tighten Your Lower Abs in 5 Minutes With This Lightning-Fast Workout

Use slider discs, paper plates, or two small hand towels for this move!

• With the towels under your feet (if you are on a hard floor; use paper plates if you are on carpet), start in a basic, straight-arm plank position.
• Then, as if you were actually running, pull one knee toward your chest, dragging your foot on your "slider" along the floor. As you push that leg back, pull the other knee forward.
• Quickly continue running or "climbing" in place for one minute.